TEA2025 2W stereo / 4W bridged

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STD TEA2025 2W stereo / 4W bridged

Audio

License: Public Domain

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Update time： 2024-12-06 18:07:43

Creation time： 2024-11-15 01:09:53

Description

A small 2.8" x 1.7" (71 x 43mm) amplifier board based on TEA2025 amplifier chip. Can be used as stand alone amplifier for small projects. Pair of jumpers will switch from stereo or bridge mode. Need for it was to use it as stackable amplifier for our 4 channel mixer The amp can run on 3 to 15V power source.

More information is available at http://PCBhut.com\Products\Amp-TEA2025\index.html

Mixer project can be found at http://PCBhut.com\Products\4ch_mixer\index.html

Design Drawing

schematic diagram

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Dual
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PCB

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Amplifier TEA2025
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	220nF	C1,C3	CERAMIC-5.08	2	C1821
2	100uF	C2,C4,C6,C9	CAP-TH_BD5.0-P2.00-D0.8-FD	4	C78759
3	220uF	C5	CAP-TH_BD5.0-P2.00-D0.8-FD	1	C78759
4	0.15uF	C7,C10	CERAMIC-5.08	2	C1821
5	470uF	C8,C11,C13	CAP-TH_BD5.0-P2.00-D0.8-FD	3	C78759
6	JUMPER_1x3	JP1,JP2	JUMPER_1X3	2
7	1k	R1,R2	0805	2
8	Tea2025b	U1	TEA2025B	1
9	-SPEAKER	U2,U3,U4	SPEAKER	3
10	AKL701_3_13 copy	X1	AKL701_3_13	1